Recreational sports board



FIG. 1 is a top plain view of a recreational sports board showing my design;

FIG. 2 is a bottom plain view;

FIG. 3 is a rear plain view;

FIG. 4 is a front perspective view; and,

FIG. 5 is a bottom perspective view.

The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a recreational sports board, as shown and described. 